Home / 380,746.12-571,993.98-268,683.88

Finding the Fourth Proportional to 380,746.12, 571,993.98 and 268,683.88

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Solution

The fourth proportional to 380,746.12, 571,993.98 and 268,683.88 is: 403,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,746.12 : 571,993.98 = 268,683.88 : x
  2. Step 2: Convert to fraction form
    380,746.12/571,993.98 = 268,683.88/x
  3. Step 3: Cross multiply
    380,746.12x = 571,993.98 × 268,683.88
  4. Step 4: Simplify right side
    380,746.12x = 153,685,561,883.04
  5. Step 5: Solve for x
    x = 153,685,561,883.04/380,746.12
  6. Step 6: Final answer
    x = 403,643.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.